Phone cannot turn on, cannot charge and is recognised as a USB

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Samsung Galaxy S4 Mini

The economical version of the Samsung Galaxy S4, released in July 2013.

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qnoel @qnoel18133

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发帖于: 2016年7月16日

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Phone cannot turn on, cannot charge and is recognised as a USB

I was on my phone watching youtube, then the phone went black screen and turns off (its normally usual to do that on my phone) but normally it would reboot... this time it didn't. I have used both batteries, above 50%, i have also tried charging the phone without the battery. The phone will not react, no LED or nothing. This problem happened once but it later turns on. The phone won't restart, go in command prompt or factory reset. My phone is rooted so I have no warranty. What can I do?

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What do you mean when you say it is recognized as a usb? Also is it drawing the correct amount of amps from the usb port?

由 echow2001 完成的 2016年7月16日

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What do you mean when you say it is recognized as a usb? Also is it drawing the correct amount of amps from the usb port? — echow2001

Benjamin Semrock @ghia31 声誉积分: 341 3 · Answer 1 · 2016-07-16T05:03:55-07:00

Benjamin Semrock @ghia31

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I guess it could be irreparable, if there is no Liquid in the Phone it cold be that the Logic Board is Broken or any of the Connectors / contacts on the Board is damaged. In this case you have to search on the Logic Board or the Smaller Board with the USB Connector to find the Broken Connector and Soldering it. But this could be quiet difficult.

The other Option ist that the Software is damaged but i guess it should even start or let you do a reset or something else.

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Samsung Galaxy S4 Mini

Phone cannot turn on, cannot charge and is recognised as a USB

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